﻿#region The MIT License (MIT)
// The MIT License (MIT)
// Copyright (c) 2010 - 2013 Sovacode LLC
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or substantial portions
// of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#endregion

using System;
using Sovacode.RubiksCube.Common.Text;

namespace Sovacode.RubiksCube.Common.Managers.Validation
{
    /// <summary>
    /// Validation for object properties
    /// </summary>
    public sealed class ValidationRule
    {
        #region Public Properties

        /// <summary>
        /// Function of validation <see cref="Func{T1,T2,T3,T4,T5,T6,T7,T8,T9,TResult}"/>
        /// </summary>
        public Func<bool> Validate { private get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the error message
        /// </summary>
        public string Message { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the property is valid
        /// </summary>
        public bool IsValid
        {
            get { return Validate != null && Validate.Invoke(); }
        }
        /// <summary>
        /// Gets or sets a value indicating whether the validator is broken
        /// </summary>
        public bool IsBroken { get; private set; }

        #endregion


        /// <summary>
        /// Creates the invalid validation rule.
        /// </summary>
        /// <param name="propertyName">Name of the property.</param>
        /// <returns>ValidationRule.</returns>
        public static ValidationRule CreateInvalidValidationRule(string propertyName)
        {
            return new ValidationRule { Validate = () => false, Message = string.Format(CategorizedBy.ValidationManagerMessages.FailedVlidatorMessage, propertyName), IsBroken = true };
        }
    }
}